^^They may not be worth your while to ‘get.’ Generally, they aren’t very funny. They’re mostly puns and everyone knows that’s the lowest form of humor, by definition.
The next line in the one you’re trying to invent is “Bob Dylan who? This is followed by something funny, but often stupid. You would turn Dylan into a verb and follow with the rest of a sentence. I couldn’t figure out how to do that with Dylan. Let’s try “Bob Hope who?” Bob Hope was hopelessly lost in Hopi territory. Ooh. Really lame. I apologize.